The value of books can soar in value if they are later made into television showsCredit: eBay

The value of books can soar if they are later made into television shows – because their appeal is boosted across generations.

For example, this hardback copy of A Game Of Thrones written by Geroge RR Martin published in 1996 fetched £400.

The seller said the book is "excellent condition". He also photographed the insides of the copy so buyers can see all the evidence of the first edition and first print status.

This includes the fact that is published by Harper Voyager, the original UK publisher.

First editions also have an illustrated cover by fantasy artist, Jim Burns.

How to avoid the dangers of selling your Polly Pocket on eBay

SELLING things on eBay can be a big money earner - when you're doing it right. Here are the dangers you need to avoid if you want to make a profit:

You need to set a minimum price on your auction. It needs to be higher or at least value to what you're selling, otherwise it could be bought for less than it's worth. This is exactly what happened when someone sold a new £10 note for less than a tenner.

Even if your item sells, there's no guarantee the buyer will cough up. When you set up the auction you can opt for the highest bidder to pay straight away.

Don't forget that eBay will charge you a sellers fee if you sell your item. If you're selling up to 50 items a month - and you're not a business - you'll be charged 10 per cent of the sale. Take this into consideration when you're listing your item.

If you're not much of a bookworm, other items tucked away in your attic could be worth a small fortune.

Millions of Brits buying retro toys they enjoyed as a kid because they 'bring back special memories'

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